CN113576680A - Planning and line drawing method based on double-fold eyelid closure - Google Patents
Planning and line drawing method based on double-fold eyelid closure Download PDFInfo
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- 210000000744 eyelid Anatomy 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000009958 sewing Methods 0.000 claims abstract description 30
- 210000004087 cornea Anatomy 0.000 claims description 23
- 210000004709 eyebrow Anatomy 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 238000001356 surgical procedure Methods 0.000 abstract description 6
- 210000003205 muscle Anatomy 0.000 description 12
- 206010040844 Skin exfoliation Diseases 0.000 description 7
- 230000002980 postoperative effect Effects 0.000 description 7
- 210000003484 anatomy Anatomy 0.000 description 4
- 230000003796 beauty Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000000720 eyelash Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 238000002316 cosmetic surgery Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
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- 230000002708 enhancing effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
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Abstract
The application relates to the field of medical and aesthetic surgery planning methods, and discloses a planning line drawing method based on a double-fold eyelid closure, which comprises the steps of drawing a positioning line, an auxiliary line and a cutting line in sequence, connecting the two ends of the cutting line and the positioning line into a closed curve, and drawing an upper stitching point and a lower stitching point in sequence. This application realizes more accurate location through drawing the line help line of cut. In addition, additionally drawn in this application in location line and the line of cut outside and sewed up the point with sewing up down, the accurate location when being convenient for sew up to guarantee the nature and pleasing to the eye of double-fold eyelid line, misoperation or error when avoiding sewing up and influence the operation effect.
Description
Technical Field
The application relates to a medical operation planning method, in particular to a planning and line drawing method based on a double-fold eyelid closure operation.
Background
Double-fold eyelid surgery, also known as double eyelid molding, is one of the most common operations in plastic surgery and is ultimately aimed at recessing the skin of the upper eyelid to form the double-fold eyelid groove when the eye is opened. The common operation methods mainly comprise an incision method and a wire embedding method, wherein the method for incising the double eyelids through a large incision is to excise the loose upper eyelid skin, partial orbicularis muscle and excessive fat through operation and suture the skin incision on the aponeurosis of the upper eyelid levator on the upper edge of the eyelid plate, so that the aim of double eyelids is fulfilled. However, because the incision is large and the number of the suture needles is large, the accuracy of preoperative planning and line drawing has great influence on the naturalness of the postoperative double-eyelid line, meanwhile, a orbicularis oculi muscle needs to be removed in the traditional double-eyelid surgery, the suture method is simple, and an obvious groove is easily formed after simple suture. Therefore, in order to overcome the defect that the suture is too simple in the traditional double-eyelid operation and the operation effect is easily influenced, the novel double-eyelid closing operation is provided, and the adhesivity of the double-eyelid line tissue is increased and the normal anatomical structure is restored through improving the suture method, so that the closed eye incision is flat and has no depression. The operation effect of the existing closing double-eyelid operation is extremely dependent on the suture operation, and because no fixed reference is provided during the suture, the operation effect completely depends on the experience and the manipulation of a doctor, and the appearance of the double-eyelid line is easily influenced by improper positions, intervals and angles during the suture.
Disclosure of Invention
In order to solve the problems that the preoperative line drawing accuracy of the existing incision method double-eyelid surgery is insufficient and the dependence on the experience of doctors is high and the operation effect is difficult to control due to lack of reference during suturing, the application provides a planning line drawing method based on the closing double-eyelid surgery.
In order to achieve the purpose, the technical scheme adopted by the application is as follows:
a planning and line drawing method based on a double-fold eyelid closure comprises the following steps:
s1, drawing a positioning line: closing the eye, and drawing a smooth transition arc-shaped positioning line according to three points at three fixed points of 6-7 mm above the lowest part of the upper eyelid, 2mm above the inner canthus and 3mm above the outer canthus;
s2, drawing auxiliary lines: opening eyes to look straight ahead, drawing three points aligned to the center of the cornea, the outer edge of the cornea and the inner edge of the cornea from the vertical direction on the upper eyelid, then drawing two points of the inner side of the inner canthus and the inner side of the outer canthus by 1mm on the upper eyelid by closing the eyes, respectively drawing five vertical auxiliary lines along the five points, wherein the auxiliary lines are arranged below the edge of the upper eyelid and are arranged above the eyebrow arch;
s3, drawing a cutting line: after closing the eyes, respectively fixing points above the positioning line from the five auxiliary lines, and naturally drawing a smoothly-transitional arc-shaped cutting line according to the five fixing points;
s4, connecting the two ends of the cutting line and the positioning line into a closed curve;
s5, drawing a sewing point: drawing a plurality of upper stitching points above the cutting line and close to the cutting line, wherein the distance between the outermost upper stitching point and the inner side connecting part of the cutting line and the positioning line is 0.1mm, and the distance between the innermost upper stitching point and the outer side connecting part of the cutting line and the positioning line is 0.1 mm;
s6, drawing a lower stitching point: and drawing lower sewing points with the same number as the upper sewing points at the positions below the positioning lines and close to the positioning lines, wherein the lower sewing points and the upper sewing points form a pair of lower needle points, and straight lines formed by connecting the lower needle points of each pair are parallel to each other.
Traditional double eyelid operation needs to excise a orbicularis oculi muscle below the double eyelid line, can form a concave groove in the position of the double eyelid line after the operation, and the person receiving the operation can see when closing the eye or looking down, gives people an apparent postoperative outward appearance, and is not natural pleasing to the eye enough. The double eyelid closing operation is just aiming at the problems, the operation method is adjusted from the difference of the anatomical structures of double eyelids and single eyelid, the muscle of the lower lip of the traditional double eyelid is more removed, the upper and lower lips of the natural double eyelid are dissected to have muscle, the muscle of the lower lip is reserved in the double eyelid closing operation, no dent is generated in the eyelid of a patient after the operation, the operation trace is not easy to see, the appearance is natural, and the double eyelid closing operation is an operation method which is more in line with the physiology.
When actually drawing a line, the range enclosed by the cutting line and the positioning line is equal to the peeling amount of the operation, the size of the range also corresponds to the degree of looseness of the skin of the upper eyelid, and the area of the cut skin affects the position of the postoperative double eyelid line besides the degree of looseness of the eyelid. The auxiliary line is used for determining the point position before drawing the cutting line, so that the more accurate cutting line can be drawn conveniently, and the precision of the operation peeling amount and the position of the postoperative double-eyelid line is ensured. In addition, still additionally draw the seam point in the upper and lower both sides of stylolite with the location line in this scheme, go up seam point and stitch point cooperation down, it forms a set ofly to go up seam point and stitch point down for one, and the sewing needle passes this group and stitches the point and accomplish once sewing up, draws the seam point and is convenient for confirm the position of threading when helping the doctor to sew up, guarantees that more accurate parallel and interval are the same between every needle, and the accurate positioning of the point of falling needle has avoided the operation effect that positioning error arouses not good.
Further, the intersection points of the cutting lines and the auxiliary lines comprise the following five points: the starting point is the position where the intersection point of the innermost auxiliary line and the positioning line is 0.5mm-1mm upwards, the second point beside the starting point is the position where the intersection point of the auxiliary line aligned with the inner edge of the cornea and the positioning line is 1mm-2mm upwards, the third point is the position where the intersection point of the auxiliary line aligned with the center of the cornea and the positioning line is 2mm-4mm upwards, the fourth point is the position where the intersection point of the auxiliary line aligned with the outer edge of the cornea and the positioning line is 1mm-2mm upwards, and the finishing point is the position where the outermost auxiliary line is 0.5mm-1mm upwards.
Furthermore, the number of the upper stitching points is 6-10, and each upper stitching point is distributed at equal intervals.
Furthermore, an auxiliary line is drawn between the medial side of the outer canthus by 1mm and the auxiliary line aligned with the outer edge of the cornea.
Further, the upper suture point is 0.1mm-0.2mm above the cutting line, and the lower suture point is 0.1mm-0.2mm below the positioning line.
The beneficial effect of this application is: this application realizes more accurate location through drawing the line help line of cut. In addition, additionally drawn in this application in location line and the line of cut outside and sewed up the point with sewing up down, the accurate location when being convenient for sew up to guarantee the nature and pleasing to the eye of double-fold eyelid line, misoperation or error when avoiding sewing up and influence the operation effect.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a locating line, an auxiliary line and a cutting line in the present application;
FIG. 2 is a schematic illustration of the location of the upper and lower stitching points in the present application;
in the figure: 1-positioning line; 2-a cutting line; 3-the eyebrow arch; 4-auxiliary line; 5-lower stitching point; 6-upper stitching point.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the product of the application is used, the description is only for convenience and simplicity, and the indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present application. Furthermore, the appearances of the terms "first," "second," and the like in the description herein are only used for distinguishing between similar elements and are not intended to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like when used in the description of the present application do not require that the components be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Example 1:
a planning and line drawing method based on a double-fold eyelid closure comprises the following steps:
s1, drawing a positioning line 1: closing the eye, and drawing a smoothly-transitional arc positioning line 1 at three fixed points, namely 6-7 mm above the lowest part of the upper eyelid, 2mm above the inner canthus and 3mm above the outer canthus according to three points;
s2, drawing an auxiliary line 4: opening eyes to look straight ahead, drawing three points aligned with the center of the cornea, the outer edge of the cornea and the inner edge of the cornea from the vertical direction on the upper eyelid, then drawing two points which are positioned at the inner side of the inner canthus and are positioned at the inner side of the outer canthus by 1mm on the upper eyelid by closing the eyes, respectively drawing five vertical auxiliary lines 4 along the five points, wherein the auxiliary lines 4 are arranged below the edge of the upper eyelid and are arranged to the eyebrow arch 3;
s3, drawing cutting line 2: after closing the eyes, respectively fixing points from five auxiliary lines 4 above the positioning line 1, and then naturally drawing a smoothly-transitional arc-shaped cutting line 2 according to the five fixed points;
s4, connecting the two ends of the cutting line 2 and the positioning line 1 into a closed curve;
s5, drawing a sewing point 6: drawing a plurality of upper stitching points 6 above the cutting line 2 and close to the cutting line 2, wherein the upper stitching point 6 on the outermost side is 0.1mm away from the inner side connecting part of the cutting line 2 and the positioning line 1, and the upper stitching point 6 on the innermost side is 0.1mm away from the outer side connecting part of the cutting line 2 and the positioning line 1;
s6, drawing a lower stitching point 5: lower sewing points 5 with the same number as the upper sewing points 6 are drawn at the positions, close to the positioning line 1, below the positioning line 1, the lower sewing points 5 and the upper sewing points 6 form a pair of lower needle points, and straight lines formed by connecting the lower needle points of each pair are parallel to each other.
It should be noted that, when actually drawing a line, the range enclosed by the cutting line 2 and the positioning line 1 is equal to the skin peeling amount of the operation, and the size of the range should also correspond to the degree of looseness of the skin of the upper eyelid, and the area of the skin to be cut affects not only the degree of looseness of the eyelid, but also the position of the postoperative double eyelid line. The auxiliary line 4 is used for determining point positions before the cutting line 2 is drawn, so that the cutting line 2 can be drawn more accurately, and the surgical peeling amount and the accuracy of the position of the postoperative double-eyelid line are ensured. In addition, still additionally draw the suture point as shown in fig. 2 in the upper and lower both sides of stylolite and location line 1 in this scheme, go up suture point 6 and the cooperation of suture point 5 down, it forms a set ofly to go up suture point 6 and a suture point 5 down for one, the suture needle passes this group of suture point and accomplishes once sewing up, draw the suture point and be convenient for confirm the position of threading when helping the doctor to sew up, guarantee that more accurate parallel and interval are the same between every needle, the accurate positioning of the point of falling needle has avoided the operation effect that positioning error arouses not good.
Example 2:
this embodiment further defines the positioning of the cutting line 2 on the basis of embodiment 1.
As shown in fig. 1, the intersection of the cutting line 2 and the auxiliary line 4 includes the following five points: the starting point is that the intersection point of the innermost auxiliary line 4 and the positioning line 1 is upward 0.5mm-1mm, the second point beside the starting point is that the intersection point of the auxiliary line 4 aligned with the inner edge of the cornea and the positioning line 1 is upward 1mm-2mm, the third point is that the intersection point of the auxiliary line 4 aligned with the center of the cornea and the positioning line 1 is upward 2mm-4mm, the fourth point is that the intersection point of the auxiliary line 4 aligned with the outer edge of the cornea and the positioning line 1 is upward 1mm-2mm, and the end point is that the outermost auxiliary line 4 is that the intersection point of the positioning line 1 is upward 0.5mm-1 mm. In the embodiment, the auxiliary line 4 is drawn to determine the position of a point on the cutting line 2 before drawing the cutting line 2, the auxiliary line 4 is convenient for accurately positioning each point by taking the positioning line 1 as a reference, and the point of the cutting line 2 is obtained by limiting the distance from a fixed point on the same auxiliary line 4 to the positioning line 1. The selection of the position of the cutting line 2 is generally based on the requirement on the position of the double-eyelid line and the surgical peeling amount, and based on the consideration of beauty and nature, the maximum distance between the general cutting line 2 and the positioning line 1 is not too large, therefore, in the embodiment, the third point is the point with the maximum distance between the cutting line 2 and the positioning line 1, the maximum distance is not more than 4mm, and is not less than 2mm recently, so that the peeling amount is ensured to be enough to avoid the disappearance of the postoperative double-eyelid line, and the influence of the overhigh double-eyelid line on beauty is also avoided.
Meanwhile, the more the number of the auxiliary lines 4 is, the more the number of the fixed points is, which is more favorable for drawing the cutting lines 2 with higher precision. Since the distance between the auxiliary line 4 aligned with the outer edge of the cornea and the outermost auxiliary line 4 is significantly greater than the distance between the auxiliary line 4 aligned with the inner edge of the cornea and the innermost auxiliary line 4, in order to further improve the accuracy of the cutting line 2, there is provided a preferred scheme that an auxiliary line 4 is drawn between the inner side of the outer canthus 1mm and the auxiliary line 4 aligned with the outer edge of the cornea, that is, an auxiliary line 4 is additionally drawn between the original first and second auxiliary lines 4 from the outer canthus to the inner canthus.
Example 3:
in this example, the sewing point is further limited based on example 1.
The number of the upper stitching points 6 is 6-10, and each upper stitching point 6 is distributed at equal intervals. Correspondingly, one upper sewing point 6 and one lower sewing point 5 form a group to form a sewing point of a needle, connecting lines of each group are parallel to each other, and the lower sewing points 5 are equally distributed at equal intervals. When the suture is performed in the operation, the suture which is equidistant and parallel to each other is convenient to perform according to the suture points.
Preferably, the upper stitching point 6 is located 0.1mm to 0.2mm above the cutting line 2, and the lower stitching point 5 is located 0.1mm to 0.2mm below the positioning line 1.
Example 4:
based on the above embodiments, the present embodiment further explains a specific surgical procedure and method for a double-fold eyelid closing operation in order to facilitate understanding of the beneficial effects of the present application.
S1, designing a drawing line by adopting the method;
s2, local infiltration anesthesia:
s3, cutting;
s4, sewing and fixing; the first layer is fixed, and whether the forward migration raises the eyelid muscle aponeurosis is determined according to the actual situation; the second layer is fixed, and the lower lip ring muscle is fixed with the eyelid plate and the tail end of the aponeurosis of the upper eyelid lifting muscle; the principle of fixation is that the angularity of eyelash is identical to that of eyelash when we design line drawing and peeling, and the exposure of iris is greater than two thirds of the size of iris. The third layer of fixation, the skin-external fixation, the purpose of the skin-external fixation is to eliminate the problem of unsmooth double eyelid caused by the internal fixation, and the aesthetic property is enhanced.
Based on the anatomical structure, when the single eyelid is opened, the skin and orbicularis oculi muscle in front of the eyelid plate can not lift up along with the eyelid plate, so the upper eyelid can not form folds to be expressed as a single eyelid. When the double eyelids are opened, the skin and orbicularis oculi below the double eyelid line in front of the eyelid plate can lift up together with the eyelid plate, so that the upper eyelid appears with folds and double eyelids. When the second layer of fixation is performed in the double-fold eyelid operation, the orbicularis oculi, the eyelid plate and the aponeurosis of the eyelid lifting muscle are connected, so that the skin below the double-fold eyelid line can be moved by the patient and the orbicularis oculi and the eyelid plate can be lifted together when the patient opens the eyes after the operation like a natural double-fold eyelid person.
In addition, in the three-layer fixation of the closed double-eyelid operation, each layer of fixation has a synergistic effect, the fixation positions of the second layer and the third layer need to be considered when the first layer is fixed, the situation that the shape is not ideal after the last layer of fixation is completed and the fixation positions of the first two layers are not proper, although the operation difficulty is high, the method can recover the normal anatomical structure, thereby strengthening the eye opening muscle force, enhancing the adhesion of the stable double-eyelid line tissue and realizing that the operation incision is smooth and has no depression after the eye is closed. In the scheme, the upper stitching point 6 and the lower stitching point 5 are drawn on the upper eyelid, so that the stitching point corresponds to the stitching position of the third layer which is fixed (namely, skin-outside fixation), the doctor can more visually see the fixed position of the third layer when fixing the first layer and the second layer, and the operation error rate is reduced.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (5)
1. A planning and line drawing method based on a double-fold eyelid closing operation is characterized in that: the method comprises the following steps:
s1, drawing a positioning line (1): closing the eye, and drawing a smooth transition arc positioning line (1) at three fixed points of 6-7 mm above the lowest part of the upper eyelid, 2mm above the inner canthus and 3mm above the outer canthus according to three points;
s2, drawing auxiliary line (4): opening eyes to look straight ahead, drawing three points which are aligned with the center of the cornea, the outer edge of the cornea and the inner edge of the cornea from the vertical direction on the upper eyelid, then drawing two points which are 1mm at the inner side of the inner canthus and 1mm at the inner side of the outer canthus on the upper eyelid by closing the eyes, respectively drawing five vertical auxiliary lines (4) along the five points, wherein the auxiliary lines (4) are arranged below the edge of the upper eyelid and are arranged up to the eyebrow arch (3);
s3, drawing cut line (2): after closing the eyes, respectively fixing points above the positioning line (1) from five auxiliary lines (4), and then naturally drawing a smoothly-transitional arc-shaped cutting line (2) according to the five fixed points;
s4, connecting the cutting line (2) and the two ends of the positioning line (1) to form a closed curve;
s5, drawing a sewing point (6): drawing a plurality of upper stitching points (6) at positions above the cutting line (2) and close to the cutting line (2), wherein the distance between the outermost upper stitching point (6) and the inner side connecting part of the cutting line (2) and the positioning line (1) is 0.1mm, and the distance between the innermost upper stitching point (6) and the outer side connecting part of the cutting line (2) and the positioning line (1) is 0.1 mm;
s6, drawing a lower stitching point (5): lower sewing points (5) with the same number as the upper sewing points (6) are drawn at the position below the positioning line (1) and close to the positioning line (1), the lower sewing points (5) and the upper sewing points (6) form a pair of lower needle points, and straight lines formed by connecting each pair of lower needle points are parallel to each other.
2. The method for planning and drawing lines based on the double-fold eyelid operation according to claim 1, wherein: the intersection point of the cutting line (2) and the auxiliary line (4) comprises the following five parts: the starting point is a position where the intersection point of the innermost auxiliary line (4) and the positioning line (1) is 0.5mm-1mm upwards, the second point beside the starting point is a position where the intersection point of the auxiliary line (4) aligned with the inner edge of the cornea and the positioning line (1) is 1mm-2mm upwards, the third point is a position where the intersection point of the auxiliary line (4) aligned with the center of the cornea and the positioning line (1) is 2mm-4mm upwards, the fourth point is a position where the intersection point of the auxiliary line (4) aligned with the outer edge of the cornea and the positioning line (1) is 1mm-2mm upwards, and the ending point is a position where the intersection point of the outermost auxiliary line (4) is 0.5mm-1mm upwards.
3. The method for planning and drawing lines based on the double-fold eyelid operation according to claim 1, wherein: the number of the upper sewing points (6) is 6-10, and each upper sewing point (6) is distributed at equal distance.
4. The method for planning and drawing lines based on the double-fold eyelid operation according to claim 2, wherein: an auxiliary line (4) is drawn between the medial side of the outer canthus (1 mm) and the auxiliary line (4) aligned with the outer edge of the cornea.
5. The method for planning and drawing lines based on the double-fold eyelid operation according to claim 3, wherein: the upper stitching point (6) is located 0.1mm-0.2mm above the cutting line (2), and the lower stitching point (5) is located 0.1mm-0.2mm below the positioning line (1).
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